date:Mar 05, 2013
are in their food, but scientists have not looked at how that breaks down across different types of diners.
For the new study, researchers randomized patrons at a restaurant on the Oklahoma State University campus to use one of three menus during a two-week period in late 2010.
One group of diners received standard menus without calorie information, another group got menus showing each item's calorie count and the last group got a menu featuring traffic light symbols representing calorie count